Answer:
First oneB Second one A
Step-by-step explanation:
A. replace pi with 3.14 and check
Divide it by 25 witch is the height then find the square root
Answer:
11.5ft
Step-by-step explanation:
Use Pythagoras in reverse.
x²=14²-8²
Since there is a sales tax of 6% which was equal to $820
Let the value be = x
6% of x = 820
(6/100)x = 820
0.06x = 820
x = 820/0.06
x = 13666.67
Value to the nearest dollar ≈ $13 666.67